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3 Ca(X)2 + 2 K3X = Ca3(X)2 + 6 KX
SO2 + NaOH = Na2SO3 + H2O =>
SO2 + 2 NaOH = Na2SO3 + H2O
CrO3 + KBr + H2SO4 = Cr2(SO4)3 + K2SO4 + Br2 + H2O =>
2 CrO3 + 6 KBr + 6 H2SO4 = Cr2(SO4)3 + 3 K2SO4 + 3 Br2 + 6 H2O
Na2CO3 + HCI = NaCI + H2OCO2 =>
Na2CO3 + 2 HCI = 2 NaCI + H2OCO2
Si + H2O = SiO3 + H2 =>
Si + 3 H2O = SiO3 + 3 H2
NiClO3 = NiCl + O2 =>
2 NiClO3 = 2 NiCl + 3 O2
Ca + Ba = CaBa =>
Ca + Ba = CaBa
CrO3 + KBr + H2SO4 = Cr2(SO4)3 + K2SO4 + Br2 + H2O =>
2 CrO3 + 6 KBr + 6 H2SO4 = Cr2(SO4)3 + 3 K2SO4 + 3 Br2 + 6 H2O
C9H8O4 + C2H5OH = C7H6O3 + C4H8O2 =>
C9H8O4 + C2H5OH = C7H6O3 + C4H8O2
CaO(s) + Al(s) = Al2O3(s) + Ca(s) =>
3 CaO(s) + 2 Al(s) = Al2O3(s) + 3 Ca(s)
CrO3 + KBr + H2SO4 = Cr2(SO4)3 + K2SO4 + Br2 + H2O =>
2 CrO3 + 6 KBr + 6 H2SO4 = Cr2(SO4)3 + 3 K2SO4 + 3 Br2 + 6 H2O
Li2O + NO = Li2N + O2 =>
Li2O + NO = Li2N + O2
K4Fe(CN)6 + H2SO4 + H2O2 = K2SO4 + Fe2(SO4)3 + NO + CO2 + H2O =>
2 K4Fe(CN)6 + 7 H2SO4 + 43 H2O2 = 4 K2SO4 + Fe2(SO4)3 + 12 NO + 12 CO2 + 50 H2O
HNO3 + Ag = AgNO3 + NO2 + H2O =>
2 HNO3 + Ag = AgNO3 + NO2 + H2O
NaCl + K2Co3 = NaCo3 + K2Cl =>
NaCl + K2Co3 = NaCo3 + K2Cl
P4 + OH = PO4 + H2O =>
P4 + 32 OH = 4 PO4 + 16 H2O
Ca + ZnCl = ZnCa2 + Cl =>
2 Ca + ZnCl = ZnCa2 + Cl
Pt + H2O = PtO2 + H2 =>
Pt + 2 H2O = PtO2 + 2 H2
Li2O + NO = Li2N + O2 =>
Li2O + NO = Li2N + O2
CH3Li + C2H2 = CH3CHCHLi =>
CH3Li + C2H2 = CH3CHCHLi
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
CH3CH2NH2 + H2O = CH2CH2NH2 + H3O =>
CH3CH2NH2 + H2O = CH2CH2NH2 + H3O
U(SO4)2 + O2 + H2O = UO2SO4 + H2SO4 =>
2 U(SO4)2 + O2 + 2 H2O = 2 UO2SO4 + 2 H2SO4
Fe(NO3)3 + Mg = Fe + Mg(NO3)2 =>
2 Fe(NO3)3 + 3 Mg = 2 Fe + 3 Mg(NO3)2
(CN)2 + H2O = H2C2O4 + NH3 =>
(CN)2 + 4 H2O = H2C2O4 + 2 NH3
Na2[Zn(OH)4] + HCl = ZnCl2 + NaCl + H2O =>
Na2[Zn(OH)4] + 4 HCl = ZnCl2 + 2 NaCl + 4 H2O
CO3H2 + Ca(OH)2 = CaCO3 + H2O =>
CO3H2 + Ca(OH)2 = CaCO3 + 2 H2O
Al + H2SO4(dill) = Al2(SO4)3 + SO2 + H2O =>
2 Al + 6 H2SO4(dill) = Al2(SO4)3 + 3 SO2 + 6 H2O
(NH4)2Fe(SO4)2(H2O)6 + KMnO4 + H2SO4 = (NH4)Fe(SO4)2(H2O)6 + K2SO4 + MnSO4 + (NH4)2SO4 + H2O =>
10(NH4)2Fe(SO4)2(H2O)6 + 2 KMnO4 + 8 H2SO4 = 10(NH4)Fe(SO4)2(H2O)6 + K2SO4 + 2 MnSO4 + 5(NH4)2SO4 + 8 H2O
Al + Br2 = AlBr3 =>
2 Al + 3 Br2 = 2 AlBr3
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
C12H26 + O2 = H2O + CO =>
2 C12H26 + 25 O2 = 26 H2O + 24 CO
F + Fe2I = FI + Fe =>
F + Fe2I = FI + 2 Fe
AuS3 + H2 = Au + H2S =>
AuS3 + 3 H2 = Au + 3 H2S
CH3CH2OH + Cr2O7{-2} + H{+} = CH3COOH + Cr{3+} + H2O =>
3 CH3CH2OH + 2 Cr2O7{-2} + 16 H{+} = 3 CH3COOH + 4 Cr{3+} + 11 H2O
HCl + AgN = AgCl + HN =>
HCl + AgN = AgCl + HN
KI + Na2SiO3 = NaI + K2SiO3 =>
2 KI + Na2SiO3 = 2 NaI + K2SiO3
P4S3 + O2 = P2O5 + SO2 =>
P4S3 + 8 O2 = 2 P2O5 + 3 SO2
Fe(C2H3O2)2 = Fe2 + C2H3O2 =>
2 Fe(C2H3O2)2 = Fe2 + 4 C2H3O2
CCuO3 + HCl = CuCl2 + H2O + CO2 =>
CCuO3 + 2 HCl = CuCl2 + H2O + CO2
CaCl2(aq) + K2SO4 = CaSO4(s) + KCl(aq) =>
CaCl2(aq) + K2SO4 = CaSO4(s) + 2 KCl(aq)
MgSO4 = MgO + SO3 =>
MgSO4 = MgO + SO3
Sb2S3 + HNO3 + H2O = H2SO4 + H3SbO4 + NO =>
3 Sb2S3 + 28 HNO3 + 4 H2O = 9 H2SO4 + 6 H3SbO4 + 28 NO
MgCrO4 + Fe(ClO3)3 = Mg(ClO3)2 + Fe2(CrO4)3 =>
3 MgCrO4 + 2 Fe(ClO3)3 = 3 Mg(ClO3)2 + Fe2(CrO4)3
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Zn3 + Sb2 + H2O = Zn(OH)2 + SbH3 =>
Zn3 + Sb2 + 6 H2O = 3 Zn(OH)2 + 2 SbH3
HI + (NH4)2SO3 = H2SO3 + NH4I =>
2 HI + (NH4)2SO3 = H2SO3 + 2 NH4I
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + H2O =>
C3H5(OH)3 + Cu(OH)2 = C3H5OHCuO2 + 2 H2O
HCl + AgN = AgCl + HN =>
HCl + AgN = AgCl + HN
CH3CH2CH2CH3 + O2 = CO2 + H2O =>
2 CH3CH2CH2CH3 + 13 O2 = 8 CO2 + 10 H2O
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